Table 2 Test-retest Reliability for the CASIS Scores in Stable Patients with Asthma or COPD
From: Development and psychometric assessment of the COPD and Asthma Sleep Impact Scale (CASIS)
CASIS | N | Visit 1 Mean (SD) | Visit 2 Mean (SD) | Difference Score | P-Value1 | Pearson's r2 | ICC3 |
|---|---|---|---|---|---|---|---|
COPD Participants | 112 | 47.1 (24.0) | 45.7 (23.5) | -1.5 | 0.2443 | 0.85 | 0.84 |
Asthma Participants | 61 | 44.8 (27.2) | 42.0 (26.6) | -2.7 | 0.1703 | 0.84 | 0.84 |